What color is #4B2740?

#4B2740 is a dark, muted magenta. In RGB it is rgb(75, 39, 64), and in HSL hsl(318, 32%, 22%).

Is #4B2740 accessible as text?

On white, #4B2740 has a contrast ratio of 12.62:1 (passes WCAG AA for body text); on black it is 1.66:1 (fails). For text placed on #4B2740, use white for the best readability.

What is the closest Tailwind color to #4B2740?

The nearest Tailwind CSS token is mauve-700 (#463947).

What colors go well with #4B2740?

#4B2740 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #264A31. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #4B2740 below.

Is #4B2740 good for buttons?

#4B2740 works well for buttons and highlights, but use white text on #4B2740 — black text only reaches 1.66:1, below the 4.5:1 needed for normal-size labels.

Is #4B2740 the same as CSS darkslategray?

No — #4B2740 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#4B2740 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #4B2740

Not just a swatch — here's how #4B2740 works with other colors. Named schemes with #4B2740 in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #4B2740 Secondary #7D472D Surface #ECD8C1 Accent #454F38 Anchor #592233

Onyx plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Warm Autumn Interior Dominant · 5 colors

Dominant #4B2740 Secondary #BA6032 Accent #7D7540 Surface #F5EBDD Anchor #3C2922

This palette keeps Onyx as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Japanese Sand Base · 5 colors

Base #4B2740 Surface #F1E8DC Highlight #F7F0E7 Secondary #BCADA0 Ink #2B2723

Onyx sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Luxury Packaging Feature · 5 colors

Feature #4B2740 Anchor #141210 Accent #D69B51 Secondary #30252C Surface #F3EDE3

Onyx carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #4B2740 Secondary #64565F Support #9C9087 Ink #18140F

Onyx is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Onyx carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #4B2740 actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 57/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 32/100

Low

Firm and assertive — carries weight and contrast.

Depth 65/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 6/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 51/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 69/100

High

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 25/100

Low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 40/100

Low

Workable accent with care around contrast.

Surface fit 44/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 93/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #4B2740

For UI

For branding

For interior

For fashion

People also use #4B2740 with

Byzantium Bistre Brunswick Green Gainsboro Eggplant

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA

Body text Passes on white at 16px and above. Pass

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 12.6:1. Use

Subtle surface Use #E0CEDB for cards and hover fills. Tint 80

Avoid beside #4A2633 — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #4B2740 at work across the surfaces designers actually ship.

Website / UI

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Dashboard

Revenue

$48.2k ▲ 12%

Brand

AVELINE

Studio

Poster

Nov 14 · 8PM

NIGHT
MARKET

Packaging

BLOOM

Botanical Wash

250 ml

Interior

Every model

Export

:root {
  --color-base: #4B2740;
  --color-base-rgb: 75 39 64;
  --color-base-oklch: oklch(33.0% 0.065 339.6);
  --color-50: #FAF5F8;
  --color-100: #F2E4ED;
  --color-200: #E3C9DB;
  --color-300: #CCA3C0;
  --color-400: #B37FA4;
  --color-500: #975E86;
  --color-600: #754D69;
  --color-700: #543A4D;
  --color-800: #382934;
  --color-900: #231A20;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  onyx: {
    50: '#FAF5F8',
    100: '#F2E4ED',
    200: '#E3C9DB',
    300: '#CCA3C0',
    400: '#B37FA4',
    500: '#975E86',
    600: '#754D69',
    700: '#543A4D',
    800: '#382934',
    900: '#231A20',
  },
}

$base: #4B2740;
$base-ink: #FFFFFF;
$base-50: #FAF5F8;
$base-100: #F2E4ED;
$base-200: #E3C9DB;
$base-300: #CCA3C0;
$base-400: #B37FA4;
$base-500: #975E86;
$base-600: #754D69;
$base-700: #543A4D;
$base-800: #382934;
$base-900: #231A20;
$base-hover: #3B1F33;
$base-subtle: #D2B5C9;

{
    "color": {
        "base": {
            "value": "#4B2740",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FAF5F8",
                "type": "color"
            },
            "100": {
                "value": "#F2E4ED",
                "type": "color"
            },
            "200": {
                "value": "#E3C9DB",
                "type": "color"
            },
            "300": {
                "value": "#CCA3C0",
                "type": "color"
            },
            "400": {
                "value": "#B37FA4",
                "type": "color"
            },
            "500": {
                "value": "#975E86",
                "type": "color"
            },
            "600": {
                "value": "#754D69",
                "type": "color"
            },
            "700": {
                "value": "#543A4D",
                "type": "color"
            },
            "800": {
                "value": "#382934",
                "type": "color"
            },
            "900": {
                "value": "#231A20",
                "type": "color"
            }
        }
    }
}